noun
plural arches
[count] a usually curved part of a structure that is over an opening and that supports a wall or other weight above the opening
the raised area on the bottom of the foot that is formed by a curved section of bones - see picture at foot
something that has a curved shape
verb
arches; arched; arching
to bend into the shape of an arch :curve [+ obj]
adjective
having or showing an amused feeling of being superior to or knowing more than other people